NPN sensors with CRX-25 setup?

Hello,

I have an end effector that is equipped with NPN sensors. How can I use the EE1 and EE2 ports to use NPN input?

Is it just the EE2 port that can work with NPN type (I see on the manual B-84194EN_04 page 53 default on R1-3 is 24V common, but switchable to 0V).

If so Can RI4 and RI5 also be switched to 0V common? Or is the number of NPN devices compatible with the EE 1 and EE 2 port up to 3 max?

If all fails with the EE ports, can the NPN sensors work with the IOs on the cabinet itself?

If anyone can provide step by step instructions on how to setup and receive signals from NPN sensors on the CRX, that would be greatly appreciated.

This is the sensor: PSK 100 D6N from COVAL

it is a vacuum switch, and its output is NPN.

the one that was purchased says NPN. https://www.emicorp.com/item/PSK+100+D…-PSK100-Series/

before requesting to purchase a PNP version of the sensor, i am just wondering if there is a way to make NPN work. So far to no avail.